Home / 4,975.80-7,467.00-2,755.56

Finding the Fourth Proportional to 4,975.80, 7,467.00 and 2,755.56

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Solution

The fourth proportional to 4,975.80, 7,467.00 and 2,755.56 is: 4,135.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.80 : 7,467.00 = 2,755.56 : x
  2. Step 2: Convert to fraction form
    4,975.80/7,467.00 = 2,755.56/x
  3. Step 3: Cross multiply
    4,975.80x = 7,467.00 × 2,755.56
  4. Step 4: Simplify right side
    4,975.80x = 20,575,715.41
  5. Step 5: Solve for x
    x = 20,575,715.41/4,975.80
  6. Step 6: Final answer
    x = 4,135.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.